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Individual Calculations February 2013 |
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| Ni, Polina Total change: -5.10 | |   |
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| Riga Chess federation championship-2013 I stage | Riga | LAT | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1874 | 2.00 | 3 | 0.07 | 15 | 1.05 | |
|  Beks, Edmunds | | | 1886 | LAT | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Bautris, Aivars | | | 1789 | LAT | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Zvans, Maris | | | 1604 | LAT | 1.00 | 1 | 0.17 | 15 | 2.55 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Latvian Championship- 2013 1/4 final | Riga | LAT | 2013-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1874 | 1.50 | 4 | -0.41 | 15 | -6.15 | |
| | Roze, Janis | | | 1924 | LAT | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Melderis, Uldis | | | 1978 | LAT | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kalnins, Toms | | | 1891 | LAT | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Birjukovs, Anatolijs | | | 1768 | LAT | 0.00 | 1 | -0.64 | 15 | -9.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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